Re: [gentoo-user] X hoggs CPU (xorg-server-1.7.6) (was: xorg-server: Pressing 'down'/'right ctrl' keys yields newline)

[Amit Dor-Shifer <amitds@oversi.com>]

On 05/14/10 00:47, walt wrote:
> On 05/13/2010 03:22 AM, Amit Dor-Shifer wrote:
>>
>>
>> On 05/13/10 00:54, walt wrote:
>>> On 05/12/2010 05:25 AM, Amit Dor-Shifer wrote:
>>>> Hi all.
>>>> After updating world, xorg-1.5.3-r6 to 1.7.6 among others, I'm now 
>>>> faced with a/m issue.
>>>> 1. left ctrl key works fine, so does the down arrow key on the numpad.
>>>> 2. Seems like the "down" key generates a double sequence: both the 
>>>> "down" event and a newline.
>>>> I've no idea how to proceed w/this. Any clues would be appreciated.
>>>
>>> With every version of X11, the amount of stuff in xorg.conf gets less,
>>> as part of the xorg design. I can see from your xorg.log that you have
>>> things in xorg.conf that shouldn't be there any longer. Specifically,
>>> you seem to be using the keyboard and mouse drivers *and* evdev at the
>>> same time, which is wrong -- evdev has replaced the mouse and keyboard
>>> drivers, and you don't need an "Input device" section for either of 
>>> them
>>> now.
>
> I should have said *I* don't need an Input device section any more :)
>
> Actually I moved some of my custom stuff from xorg.conf to the hal config
> files -- but hal is deprecated now and I should it back to xorg.conf 
> again.
> Thanks for the reminder.
>
>>> I suggest you generate a new xorg.conf by running "X -configure" and
>>> use the result as a good place to add a few custom things like these:
>>> (**) Option "xkb_layout" "en_US,ru"
>>> (**) Option "xkb_variant" ",winkeys"
>>> (**) Option "xkb_options" "grp:shift_toggle,grp_led:scroll"
>>>
>>>
>> Thanks. X -configure solved it.
>> As long as we're at the subject:Those options you're mentioning, 
>> would they go under the ""Keyboard0" device?
>> I Added some options there:
>> Section "InputDevice"
>> Identifier "Keyboard0"
>   Driver "kbd" <******* "kbd" driver is obsolete, use "evdev" or just 
> delete this line
Simply deleting this line causes X to fail startup:
<Xorg.0.log>
(==) Using config file: "/etc/X11/xorg.conf"
Data incomplete in file /etc/X11/xorg.conf
     InputDevice section "Keyboard0" must have a Driver line.
(EE) Problem parsing the config file
(EE) Error parsing the config file
</Xorg.0.log>

Explicitly setting Driver to "evdev" (to both mouse and keyboard 
sections) doesn't fix the unexplained messages in Xorg.0.log. At least X 
manages to start, though.
>
> Depending on your configuration, there may be some font and/or 
> keyboard stuff in your own
> home directory.  You may need to search or grep some subdirectories to 
> find it if it's not
> obvious.
Found nothing so-far...

I'm now noticing another problem: X's CPU usage sky-rockets when using 
input devices. Especially mouse: If I move my pointer around the screen, 
hovering over some windows in the process, I get >50% CPU in 'top'.

Amit